/Engine/Plugins/FX/Niagara/Source/NiagaraEditor/Public/NiagaraGraph.h
Rename a pin inline in a graph. If this is the only instance used in the graph, then rename them all, otherwise make a duplicate.
bool RenameParameterFromPin ( const [FNiagaraVariable](API\Plugins\Niagara\FNiagaraVariable) & Parameter, [FName](API\Runtime\Core\UObject\FName) NewName, [UEdGraphPin](API\Runtime\Engine\EdGraph\UEdGraphPin) * InPin )